Current view: Data table and detailed info
Taxonomic note
Rhynchocyclus olivaceus and R. aequinoctialis (del Hoyo and Collar 2016) were previously lumped as R. olivaceus following AOU (1998 and supplements), SACC (2005 and updates), Sibley and Monroe (1990, 1993) and Stotz et al. (1996).
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
IUCN Red List criteria met and history
Red List criteria met
Red List history
Migratory status |
not a migrant |
Forest dependency |
high |
Land-mass type |
|
Average mass |
21 g |
Population justification: The global population size has not been quantified, but this species is described as 'uncommon and patchily distributed' (Stotz et al. 1996).
Country/territory distribution
Important Bird and Biodiversity Areas (IBA)
Recommended citation
BirdLife International (2025) Species factsheet: Eastern Olivaceous Flatbill Rhynchocyclus olivaceus. Downloaded from
https://datazone.birdlife.org/species/factsheet/eastern-olivaceous-flatbill-rhynchocyclus-olivaceus on 12/01/2025.
Recommended citation for factsheets for more than one species: BirdLife International (2025) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 12/01/2025.